Lawnmower blade



FIG. 1 is a top perspective view of a lawnmower blade according to the present invention;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a back view thereof; and,

FIG. 7 is a front view thereof.

The broken lines in the drawings of the lawnmower blade form no part of the claimed design. 

CLAIM The ornamental design for a lawnmower blade, as shown and described. 